#253B83#253B83

#253B83 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.9% C 0.124 H 267.4°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#253B83
RGB	rgb(37, 59, 131)
HSL	hsl(226, 56%, 33%)
HSV	hsv(226, 72%, 51%)
CMYK	cmyk(71.8%, 55%, 0%, 48.6%)
CIE-LAB	lab(27.18, 17.51, -43.13)
CIE-LCH	lch(27.18, 46.55, 292.10°)
OKLab	oklab(37.87% -0.0057 -0.124)
OKLCH	oklch(37.87% 0.124 267.4)
XYZ	xyz(6.4222, 5.1593, 22.1257)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B83 #836D25

analogous

#256A83 #253B83 #3E2583

triadic

#253B83 #83253B #3B8325

tetradic

#253B83 #83256A #836D25 #25833E

square

#253B83 #83256A #836D25 #25833E

split-complementary

#253B83 #833E25 #6A8325

monochromatic

#0A1024 #182653 #253B83 #3250B3 #5471CF

Accessibility & contrast

On white

10.33

#253B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#253B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B83

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B83	#FFFFFF	#000000	##FFFFFF
##253B83	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084586

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253b83;
/* rgb */ color: rgb(37, 59, 131);
/* oklch */ color: oklch(37.9% 0.124 267.4);

Tailwind

colors: {
  custom: {
    50: '#6c70a8',
    500: '#253b83',
    950: '#000000',
  },
}

SCSS

$custom: #253b83;
$custom-light: #6c70a8;
$custom-dark: #000000;

JSON

{
  "hex": "#253b83",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 131
  },
  "hsl": {
    "h": 225.957,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37871,
    "c": 0.12415,
    "h": 267.4
  },
  "luminance": 0.0516
}

Semantic roles & 50–950 ramp

primary

#253B83

secondary

#B39C51

accent

#BC49DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #253B83

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →